<template>
  <el-dialog title="新增员工" :visible="showDialog" @close="btnCancel">
    <!-- 表单 -->
    <el-form ref="addEmployee" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:90%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:90%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:90%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:90%" placeholder="请选择">
          <el-option v-for="item in employeeEnum.hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:90%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input v-model="formData.departmentName" style="width:90%" placeholder="请选择部门" @focus="showTree = true" />
        <!-- 放置一个tree组件 -->
        <el-tree
          v-if="showTree"
          :data="depts"
          default-expand-all
          :props="{ label: 'name' }"
          @node-click="handleNodeClick"
        />
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:90%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-row type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" @click="btnCancel">取消</el-button>
          <el-button type="primary" size="small" @click="btnOk">确定</el-button>
        </el-col>
      </el-row>
    </template>
  </el-dialog>
</template>

<script>
import { addEmployee } from '@/api/employee'
import { getDepartmentList } from '@/api/department'
import employeeEnum from '@/api/constant/employees'
import { listToTreeData } from '@/utils'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    employeeList: {
      type: Array,
      required: true
    }
  },
  data() {
    const onceWorkNumber = async(rule, val, callback) => {
      // const { rows } = await getEmployeeList()
      const isRepeat = this.employeeList.some(item => item.workNumber === val)
      if (isRepeat) {
        // 处理错误
        callback(new Error('员工工号必须唯一'))
      } else {
        // 放行通过
        callback()
      }
    }
    return {
      formData: {
        username: '', // 姓名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 组织名称
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      employeeEnum,
      departmentList: [], // 部门数据
      showTree: false, // 控制树形的显示或者隐藏
      depts: [],
      rules: {
        username: [{ required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位' }],
        mobile: [{ required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }],
        formOfEmployment: [{ required: true, message: '聘用形式不能为空', trigger: 'blur' }],
        workNumber: [{ required: true, message: '工号不能为空', trigger: 'blur' },
          { validator: onceWorkNumber, trigger: 'blur' }],
        departmentName: [{ required: true, message: '部门不能为空', trigger: 'change' }],
        timeOfEntry: [{ required: true, message: '入职时间', trigger: 'blur' }]
      }
    }
  },
  created() {
    // 弹窗创建时获取部门列表
    this.getDepartmentList()
  },
  methods: {
    async getDepartmentList() {
      const { depts } = await getDepartmentList()
      // 将扁平的数据传进去, 可以得到嵌套 children 的结果
      this.depts = listToTreeData(depts, '')
    },
    // 选择部门
    handleNodeClick(data) {
      console.log(data, '333')
      // 这是树形节点被点击的回调, 可以得到被点击的对应部门对象
      // 1. 将被点击的部门名填入输入框
      this.formData.departmentName = data.name
      // 2. 隐藏树形
      this.showTree = false
    },
    // 效验延迟问题---这里注意判断失焦状态
    // blur是在失焦时立即就触发咯
    // 而change是失焦之后
    // changeTime() {
    //   // this.showTree = false
    //   setTimeout(() => {
    //     // this.$refs.addEmployee.validate('departmentName')
    //   }, 100)
    // },
    // 确定按钮
    async btnOk() {
      try {
        // 效验表单
        await this.$refs.addEmployee.validate()
        // 发送请求
        await addEmployee(this.formData)
        // 提示用户
        this.$message.success('新增员工成功')
        // 更新页面
        this.$emit('getEmployeeList')
        // this.$parent.getEmployeeList
        // 关闭弹窗
        this.$emit('update:showDialog', false)
        // this.$refs.addEmployee.resetFields()
        // 所有组件都可以通过 this.$parent 获取到父组件实例
        // 直接修改父组件的数据和直接调用父组件的函数
        // this.$parent.showDialog = false
        // 跳转页面
        this.$router.push('/employees')
      } catch (error) {
        console.log(error)
      }
    },
    // 取消按钮
    btnCancel() {
      // 清理数据
      this.formData = {
        username: '', // 姓名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 组织名称
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      // 重置校验结果---清理报错
      this.$refs.addEmployee.resetFields()
      // 关闭弹窗
      // this.$emit('update:showDialog', false)
      this.$parent.showDialog = false
    }
  }
}
</script>

<style scoped>
.el-tree{
  width: 90%;
  height: 200px;
  position: absolute;
  overflow: auto;
  z-index: 9;
}
</style>
